Part one explained the physics of quantum computing. This piece explains the target — how bitcoin's encryption works, why a ...

Physicist Jay Gambetta, at IBM’s lab in Yorktown Heights, New York, explains how microwaves orchestrate a solution on a quantum chip: “Think of each qubit as a line in music. You’re creating notes.” ...

The world of quantum computing is a noisy place, where error correction is needed to ensure quantum devices run correctly ...

The day when a quantum computer manages to break common encryption, or Q-Day, is fast approaching, and the world is not close ...

Quantinuum has unveiled a third-generation quantum computer that could be easier to scale up than rival approaches. The US- and UK-based company Quantinuum today unveiled Helios, its third-generation ...

The year isn't over yet, but we've already seen record-breaking quantum computers, skyrocketing levels of investment, and demonstrations of real-world benefits. In all the hype about AI it can be easy ...

Quantum vendors and national agencies are aligning to establish common standards for logical qubits, which should enable ...

As US defence research agency DARPA starts a programme to upend the dominant quantum computing architecture it says will fail ...